Patch 1.20.X are all patches beginning with 1.20.
- 主条目：Patch 1.20
1.20.1 is a hotfix released on 2017-04-11 with the checksum 07f1.
- Added extra effects and checks for some random events for Celestial Empires.
- Fixed problem that made the Three Mountain Achievement demand that all your subjects be tributaries instead of all subjects being anything but tributaries.
- Noble disaster will no longer change government for Shogunate or Daimyo.
- Fixed Personal Union not breaking upon independence war when in consort regency.
- Countries now get Parliaments when switching to government forms that have them enabled.
- Fixed faulty trigger in Nanban Incident that made it unable to trigger.
- Fixed missing icon/no bonus for Eight Banners Manchu national idea.
- Forum: 1.20.1 Hotfix released [Checksum 07f1] , 2017-04-11